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Preface to the Second Edition | |
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List of Symbols | |
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Introduction | |
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Design Methodology | |
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The design spiral | |
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Computer aided design (CAD) | |
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Preliminary ConsiderationsChoice of boat-type | |
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Intended use | |
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Main dimensions Cost | |
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Checklist of considerations | |
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Checklist for the YD - 40 | |
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Hull Geometry Definitions | |
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Lines drawing | |
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Tools Work plan | |
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Computer aided design of hulls | |
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Hydrostatics and Stability | |
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Calculation of areas Wetted surface | |
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Displacement Centre of buoyancy | |
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Water plane area | |
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Transverse and longitudinal stability at small angles | |
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Transverse stability at large angles of heel | |
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Curve of static stability | |
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Rolling Influence of waves on the righting moment | |
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Stability statistics Assessment of seaworthiness | |
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Hull Design Forces and moments on a sailing yacht | |
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Resistance components | |
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Viscous resistance, basic concepts | |
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Frictional resistance | |
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Viscous pressure resistance | |
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Roughness Wave resistance, basic concepts | |
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Influence of hull shape on wave resistance | |
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Heel resistance | |
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Added resistance in waves | |
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Other seakeeping aspects | |
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Hull statistics | |
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Keel and Rudder Design Flow around a wing | |
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Definition of the keel planform | |
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Classical wing theory | |
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Tip shape | |
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Advanced planform design | |
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Evaluation of some planform concepts | |
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Definition of the section | |
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Three useful NACA sections | |
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Influence of shape on section characteristics | |
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Some practical conclusions regarding section shape | |
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Influence of deviations from the theoretical section shape | |
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Advanced section design | |
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Statistics on keel and rudder area | |
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The YD - 40 | |
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Sail and Rig Design Flow around sails | |
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Planform Sail camber | |
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Mast interference | |
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Means for reducing mast distubances | |
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Streamlining | |
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A practical model for sail and rig aerodynamics | |
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Sail statistics | |
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Balance Effect of heel | |
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Good balance | |
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Centre of effort of the underwater body | |
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Centre of effort of the sails | |
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Lead Rudder balance | |
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Propeller and Engine | |
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Resistance in calm and rough weather | |
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Propeller characteristics | |
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Design of an optimum propeller | |
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Performance of the non-optimum propeller Check of blade area | |
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Propeller resistance | |
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High Speed Hydrodynamics Planing Deadrise | |
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Forces on a planing hull | |
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Spray rails, stepped bottoms and transom flaps | |
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Dynamic stability | |
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Alternative propulsion devices | |
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An example | |
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Rig Construction Definitions and scope of the standard | |
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Forces on the shrouds | |
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Forces on the stays | |
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Comparison between wire and rod | |
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Transverse mast stiffness | |
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Longitudinal mast stiffness | |
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Fractional mast top | |
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Boom Spreaders | |
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The YD - 40 rig | |
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Hull Construction | |
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Concepts in structural mechanics Global loads | |
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Local hydrostatic loads | |
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Local hydrodynamic loads | |
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Transverse load distribution | |
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Local deformations | |
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Forces from the keel | |
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Forces from grounding | |
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Forces from the rudder | |
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Summary of loadings | |
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Materials Glass reinforcement | |
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Wet laminates | |
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Fatigue Exotic laminates | |
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Sandwich Typical sandwich buckling | |
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Sandwich bending Sandwich in practice | |
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Final remarks | |
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Scantling Determination | |
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Structure of the ISO Standard | |
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Hull definitions | |
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Basic laminate | |
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Design loads for the bottom | |
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Design loads for the topsides | |
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Design loads for the decks and bulkheads | |
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Design loads for the internals | |
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Longitudinal impact distribution factor | |
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Area reduction factor | |
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Panel calculation | |
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Stiffener calculation | |
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Spade rudder stock | |
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Chainplates and keelbolts | |
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Sandwich construction | |
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The YD - 40 scantlings | |
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Layout Generic space requirements | |
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Accomodation Deck layout | |
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Design Evaluation Non-dimensional parameters | |
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The Velocity Prediction Program (VPP) Towing | |